11 Fill in the gaps in the following passage with the suitable preposition given below:

Daylighting is the practice 1) _____ placing windows or other openings and reflective surfaces so that 2) _____ the day natural light provides effective internal lighting. Particular attention is given 3) _____ daylighting while designing a building when the aim is to maximize visual comfort or to reduce energy use. Energy savings can be achieved either 4) _____ the reduced use 5) _____ artificial (electric) lighting or 6) _____ passive solar heating or cooling. Artificial lighting energy use can be reduced 7) _____ simply installing fewer electric lights because daylight is present, or 8) _____ dimming/switching electric lights automatically 9)_____ response 10)_____ the presence of daylight, a process known as daylight harvesting.

by(x2) during from(x2) in of(x2) to(x2)

12 Match the term with its definition:

1) double-hung sash window	a) a window (more usually a door-sized window) where the sash tilts inwards at the top and then slides horizontally behind the fixed pane
2) casement window	b) a window composed of pieces of colored glass, transparent, translucent or opaque, frequently portraying people or scenes
3) tilt and slide window	c) also known as a louvered window, it consists of parallel slats of glass or acryl that open and close like a Venetian blind, usually using a crank or a lever
4) transom window	d) a window big enough and low enough so that occupants can escape through the opening in an emergency, such as a fire
5) jalousie window	e) also known as a French door, it is really a type of door, but one which has one or more panes of glass set into the whole length of the door , meaning it also functions as a window
6) clerestory window	f) the traditional style of window in the UK with two parts that overlap slightly and slide up and down inside the frame
7) fixed window	g) a window set in a roof structure or high in a wall, used for daylighting
8) emergency exit/ egress window	h) a window with a hinged sash that swings in or out like a door comprising either a slide-hung, top-hung, or occasionally bottom-hung sash or a combination of these types, sometimes with fixed panels on one or more slides of the sash
9) stained glass window	i) a window that cannot be opened, whose function is limited to allowing light to enter
10) french window	j) a window above a door; it provides ventilation before forced air heating and cooling

13 Look at the pictures and name the type of the window using information from Ex.12:

a)_________________ b) _________________

3. _____________________ d) _________________